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**Name of the Vulnerable Software and Affected Versions** free5gc version 3.3.0 UPF version 1.2.0 SMF version 1.2.0 **Description** The issue allows attackers to cause a denial of service via crafted PFCP messages. This is a Buffer Overflow vulnerability. **Recommendations** For free5gc version 3.3.0, update to a version that fixes the Buffer Overflow vulnerability. For UPF version 1.2.0, update to a version that fixes the Buffer Overflow vulnerability. For SMF version 1.2.0, update to a version that fixes the Buffer Overflow vulnerability. As a temporary workaround, consider restricting the use of crafted PFCP messages to minimize the risk of exploitation.